CN104774335B - Isosorbide polyphosphate and preparation method thereof - Google Patents
Isosorbide polyphosphate and preparation method thereof Download PDFInfo
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- CN104774335B CN104774335B CN201510161424.0A CN201510161424A CN104774335B CN 104774335 B CN104774335 B CN 104774335B CN 201510161424 A CN201510161424 A CN 201510161424A CN 104774335 B CN104774335 B CN 104774335B
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- isobide
- phosphinylidyne
- polyphosphate
- phosphate
- thing
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- 229960002479 isosorbide Drugs 0.000 title claims abstract description 44
- KLDXJTOLSGUMSJ-JGWLITMVSA-N Isosorbide Chemical compound O[C@@H]1CO[C@@H]2[C@@H](O)CO[C@@H]21 KLDXJTOLSGUMSJ-JGWLITMVSA-N 0.000 title claims abstract description 43
- 229920000388 Polyphosphate Polymers 0.000 title claims abstract description 29
- 239000001205 polyphosphate Substances 0.000 title claims abstract description 29
- 235000011176 polyphosphates Nutrition 0.000 title claims abstract description 29
- 238000002360 preparation method Methods 0.000 title claims abstract description 5
- 239000000463 material Substances 0.000 claims abstract description 24
- WVPKAWVFTPWPDB-UHFFFAOYSA-M dichlorophosphinate Chemical compound [O-]P(Cl)(Cl)=O WVPKAWVFTPWPDB-UHFFFAOYSA-M 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 20
- 150000001875 compounds Chemical class 0.000 claims description 16
- 238000006243 chemical reaction Methods 0.000 claims description 14
- 150000003013 phosphoric acid derivatives Chemical class 0.000 claims description 13
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 claims description 12
- -1 Fluorophosphoric acid ester Chemical class 0.000 claims description 9
- 229910052736 halogen Inorganic materials 0.000 claims description 7
- 150000002367 halogens Chemical class 0.000 claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 125000000217 alkyl group Chemical group 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 4
- KDSSEOIBFVTMNM-UHFFFAOYSA-N [K].[K].[K].P(O)(O)(O)=O Chemical compound [K].[K].[K].P(O)(O)(O)=O KDSSEOIBFVTMNM-UHFFFAOYSA-N 0.000 claims description 4
- 239000002250 absorbent Substances 0.000 claims description 4
- 230000002745 absorbent Effects 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 claims description 4
- GETQZCLCWQTVFV-UHFFFAOYSA-N trimethylamine Chemical compound CN(C)C GETQZCLCWQTVFV-UHFFFAOYSA-N 0.000 claims description 4
- 229910019142 PO4 Inorganic materials 0.000 claims description 3
- YNQLUTRBYVCPMQ-UHFFFAOYSA-N alpha-methyl toluene Natural products CCC1=CC=CC=C1 YNQLUTRBYVCPMQ-UHFFFAOYSA-N 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- GYVGXEWAOAAJEU-UHFFFAOYSA-N n,n,4-trimethylaniline Chemical class CN(C)C1=CC=C(C)C=C1 GYVGXEWAOAAJEU-UHFFFAOYSA-N 0.000 claims description 3
- 239000010452 phosphate Substances 0.000 claims description 3
- 229910000162 sodium phosphate Inorganic materials 0.000 claims description 3
- 239000002904 solvent Substances 0.000 claims description 3
- 238000003786 synthesis reaction Methods 0.000 claims description 3
- CMEWLCATCRTSGF-UHFFFAOYSA-N N,N-dimethyl-4-nitrosoaniline Chemical compound CN(C)C1=CC=C(N=O)C=C1 CMEWLCATCRTSGF-UHFFFAOYSA-N 0.000 claims description 2
- 239000003463 adsorbent Substances 0.000 claims description 2
- 125000000950 dibromo group Chemical group Br* 0.000 claims description 2
- AXRKPWMRRTUHSP-UHFFFAOYSA-N dibromo hydrogen phosphate Chemical compound BrOP(=O)(O)OBr AXRKPWMRRTUHSP-UHFFFAOYSA-N 0.000 claims description 2
- 125000003963 dichloro group Chemical group Cl* 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- PQIOSYKVBBWRRI-UHFFFAOYSA-N methylphosphonyl difluoride Chemical group CP(F)(F)=O PQIOSYKVBBWRRI-UHFFFAOYSA-N 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- 229910052757 nitrogen Inorganic materials 0.000 claims description 2
- 239000003973 paint Substances 0.000 claims description 2
- 230000035484 reaction time Effects 0.000 claims description 2
- 239000001488 sodium phosphate Substances 0.000 claims description 2
- ISIJQEHRDSCQIU-UHFFFAOYSA-N tert-butyl 2,7-diazaspiro[4.5]decane-7-carboxylate Chemical compound C1N(C(=O)OC(C)(C)C)CCCC11CNCC1 ISIJQEHRDSCQIU-UHFFFAOYSA-N 0.000 claims description 2
- ODHXBMXNKOYIBV-UHFFFAOYSA-N triphenylamine Chemical compound C1=CC=CC=C1N(C=1C=CC=CC=1)C1=CC=CC=C1 ODHXBMXNKOYIBV-UHFFFAOYSA-N 0.000 claims description 2
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 claims description 2
- 102000004882 Lipase Human genes 0.000 claims 1
- 108090001060 Lipase Proteins 0.000 claims 1
- 239000012567 medical material Substances 0.000 abstract description 3
- 239000002861 polymer material Substances 0.000 abstract description 2
- 238000012695 Interfacial polymerization Methods 0.000 abstract 1
- WVPKAWVFTPWPDB-UHFFFAOYSA-N dichlorophosphinic acid Chemical compound OP(Cl)(Cl)=O WVPKAWVFTPWPDB-UHFFFAOYSA-N 0.000 abstract 1
- 150000002148 esters Chemical class 0.000 abstract 1
- 238000001179 sorption measurement Methods 0.000 abstract 1
- 229920000642 polymer Polymers 0.000 description 19
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 9
- 238000005227 gel permeation chromatography Methods 0.000 description 8
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 8
- 238000010792 warming Methods 0.000 description 8
- 239000000178 monomer Substances 0.000 description 6
- 239000003814 drug Substances 0.000 description 5
- 239000004793 Polystyrene Substances 0.000 description 4
- IBDMRHDXAQZJAP-UHFFFAOYSA-N dichlorophosphorylbenzene Chemical compound ClP(Cl)(=O)C1=CC=CC=C1 IBDMRHDXAQZJAP-UHFFFAOYSA-N 0.000 description 4
- 238000004090 dissolution Methods 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 229920002223 polystyrene Polymers 0.000 description 4
- 238000001556 precipitation Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 238000001291 vacuum drying Methods 0.000 description 4
- 238000005160 1H NMR spectroscopy Methods 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 238000013019 agitation Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- 238000000655 nuclear magnetic resonance spectrum Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000010148 water-pollination Effects 0.000 description 3
- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 description 2
- HEDRZPFGACZZDS-MICDWDOJSA-N Trichloro(2H)methane Chemical compound [2H]C(Cl)(Cl)Cl HEDRZPFGACZZDS-MICDWDOJSA-N 0.000 description 2
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 2
- 229940106691 bisphenol a Drugs 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000008363 phosphate buffer Substances 0.000 description 2
- 239000008055 phosphate buffer solution Substances 0.000 description 2
- 125000004437 phosphorous atom Chemical group 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000002194 synthesizing effect Effects 0.000 description 2
- 238000010189 synthetic method Methods 0.000 description 2
- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 description 1
- VPWNQTHUCYMVMZ-UHFFFAOYSA-N 4,4'-sulfonyldiphenol Chemical class C1=CC(O)=CC=C1S(=O)(=O)C1=CC=C(O)C=C1 VPWNQTHUCYMVMZ-UHFFFAOYSA-N 0.000 description 1
- 229930185605 Bisphenol Natural products 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- JLTDJTHDQAWBAV-UHFFFAOYSA-N N,N-dimethylaniline Chemical class CN(C)C1=CC=CC=C1 JLTDJTHDQAWBAV-UHFFFAOYSA-N 0.000 description 1
- 238000005481 NMR spectroscopy Methods 0.000 description 1
- 108010084311 Novozyme 435 Proteins 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical group [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 125000001931 aliphatic group Chemical class 0.000 description 1
- 125000003118 aryl group Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003519 biomedical and dental material Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000013270 controlled release Methods 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000007306 functionalization reaction Methods 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 239000005556 hormone Substances 0.000 description 1
- 229940088597 hormone Drugs 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 125000000325 methylidene group Chemical group [H]C([H])=* 0.000 description 1
- 235000019799 monosodium phosphate Nutrition 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000000474 nursing effect Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- AJPJDKMHJJGVTQ-UHFFFAOYSA-M sodium dihydrogen phosphate Chemical compound [Na+].OP(O)([O-])=O AJPJDKMHJJGVTQ-UHFFFAOYSA-M 0.000 description 1
- 235000011008 sodium phosphates Nutrition 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
Landscapes
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
- Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
Abstract
The invention discloses isosorbide polyphosphate and a preparation method thereof. The material is prepared by the interfacial polymerization of isosorbide, dichlorophosphate and dichlorophosphoric acid. The polyphosphate ester has good biodegradability and cell adsorption performance, can be used as a biological friendly high polymer material, and has high application value in the fields of medical materials and the like.
Description
Technical field
The invention belongs to technical field of polymer materials, and in particular to isobide polyphosphate and its synthetic method.
Background technology
Due to the energy and environmental problem, reproducible bio-based monomer causes the concern of researcher in Polymer Synthesizing.
Bio-based aliphatic diol, particularly isobide (1:4,3:6- bis- is dehydrated-D-Glucose) it is considered as green bio-based
Monomer (Adv Carbohydr Chem Biochem 1991,49,93-173), can be used as Polymer Synthesizing monomer；With raw material
Abundance, special Chiral properties, biodegradable, nontoxic and thermal stability characteristics, optical material, engineering material,
Medical material etc. is widely studied (Prog Polym Sci 2010,35,578-622).Currently used petroleum resources monomer
There is the toxicity of class female hormone for bisphenols monomer-bisphenol-A, therefore isobide is considered as the potential replacement monomer of bisphenol-A
(Therm Anal Calorim 2012,109,1267-1275).Du Pont, Supreme Being's benevolence, Luo Gai top grades company (CN1298343,
CN1298346, CN1298418, US12522090) a series of aromatic series or aliphatic isobide polyester have been invented, it is used for
In terms of optical material, engineering material, coating and medicine and personal nursing.
In recent years, the research of poly- phosphide class biodegradated polymer materal also Showed Very Brisk.Polyphosphate is a kind of biology
Compatibility is good, and biodegradable, similar with membrane structure, structure is easily modified the Biodegradable high molecular with functionalization
(Macromolecular Bioscience, 2009,9,1154-1164), can be used as medical material be used for medicine controlled releasing field,
The medical fields such as field of tissue engineering technology.But the features such as existing polyphosphate macromolecular skeleton high hydrophobicity, hydrophily difference
(Biomacromolecules2009,10,2213-2220), constrains widely using on bio-medical material.Different sorb
Alcohol has a good hydrophily, and due to its biocompatibility, polymer can be improved containing isobide in polymer
Cell adsorptivity.Therefore, isosorbide monomer is introduced in polyphosphate, can not only improve the hydrophily of polyphosphate, and
And the biocompatibility of polyphosphate can be strengthened.
At present, there is not been reported for isobide polyphosphate materials.
The content of the invention
The invention provides a kind of new polyphosphate materials-isobide polyphosphate.
Present invention also offers the synthetic method of polyphosphate.The species of polyphosphate has been widened in the invention.
In addition, present invention also offers the application of polyphosphate materials.
In order to reach the technical purpose of the present invention, the technical scheme is that
A kind of polyphosphate compound, it is characterised in that the compound is by isobide and phosphinylidyne thing or halogenated phosphate
Synthesis.
Compound of the present invention, wherein, the phosphinylidyne thing includes：Dichlor-phosphoryl, difluoro phosphinylidyne, dibromo phosphinylidyne；Institute
Stating halogenated phosphate includes：The such as either dichlorophosphate, difluorophosphoric acid ester, dibromo phosphate
Compound of the present invention, wherein, the phosphinylidyne thing is dichlor-phosphoryl, and its chemical constitution is as shown in figure 3, wherein
R bases are less than or equal to 4 alkyl, or halogen for carbon number
Compound of the present invention, wherein, the halogenated phosphate is either dichlorophosphate, its chemical constitution such as Fig. 4 institutes
Show, wherein R bases are less than or equal to 4 alkyl, or halogen for carbon number
Compound of the present invention, wherein, the isobide is following 5a, 5b, the isobide in 5c structural formulas
In one or more,
A kind of method for preparing isobide polyphosphate, the synthetic system be (I) isobide (II) phosphinylidyne thing or
Halogenated phosphate (III) accelerator (IV) chloride absorbent, it is characterised in that do not contain solvent in synthetic system additionally.
Method of the present invention, wherein, the accelerator is：N, accelerine, N, N- dimethyl-p-toluidines,
N, N- dimethyl are to ethylbenzene amine, N- methyl-N-2- ethoxy para-totuidine etc.；
The adsorbent is：Anhydrous phosphoric acid tripotassium, anhydrous sodium phosphate, trimethylamine, triethylamine, triphenylamine；
The phosphate compound purity is more than 99.9%；
The isobide comes from bio-based, and purity content is more than 99.9%.
Method of the present invention, wherein, preparation concretely comprises the following steps：
(a) (I) isobide is contacted into mixing with (IV) chloride absorbent
(b) (III) accelerator is added in the mixture of (a) step
(c) (II) phosphorous acid-based compound is injected in the mixture of (b) step, and being stirred continuously notes its haptoreaction
After entering, heating continues to react.(d) isobide polyphosphate is isolated and purified.
Method of the present invention, wherein, step (c) operating condition is：Temperature, preferably -5-3 DEG C, -2-1 DEG C；And
Injection length is 0.5-5h, preferably 1-2.5h；Reaction temperature after injection is 50-120 DEG C, preferably 70-100 DEG C；Reaction time
It is 2-9h for the time, preferably 4-7h.
Method of the present invention, wherein, (I) isobide is 1 with the mol ratio of (II) phosphinylidyne thing or halogenated phosphate:
1.2~1:1.7, preferred molar ratio 1:1.3~1：1.5.
Method of the present invention, wherein, addition solvent is also included in the system.
Material obtained by method synthesis of the present invention.
Material of the present invention, it is characterised in that the material contains following Figure 14 a, and/or structure described in 14b,
Wherein, n 2-20, R base are less than or equal to 4 alkyl, or halogen for carbon number.
Application of the material of the present invention in medical field.
Application of the material of the present invention in optical field.
Application of the material of the present invention in engineering material field.
Application of the material of the present invention in paint field.
Beneficial effect
The present invention has been extremely improved the water solubility and biofacies of poly- phosphide by introducing isobide in polyphosphate
Capacitive；The thermal stability and glass transition temperature of polyphosphate are improved, improves the mechanical property and compression strength of material.Should
Polymer can continue to be modified, for field of medicaments such as medicine controlled releasing, organizational engineerings.
Brief description of the drawings
Fig. 1 is the FT-IR collection of illustrative plates for the compound that isobide synthesizes with diphenylphosphoryl dichloro.
The content analysis of accompanying drawing 1 is as follows：2967cm-1And 2874cm-1Locate symmetrical on the methylene (- CH2-) on isobide
Flexible (ν s) and asymmetric stretch absworption peak (ν as), 3066cm-1、1600cm-1、685cm-1For characteristic absorption peak on phenyl ring,
1493cm-1For P-Carom stretching vibration absworption peak, 1225cm-1For the stretching vibration absworption peak of P=O keys, 1130cm-1And
1002cm-1Place is respectively P-O-Cisosorbide stretching vibration absworption peak, it was demonstrated that shape between isobide and benzene phosphinylidyne dichloro
Into phosphide key.
Fig. 2 is the compound that isobide synthesizes with diphenylphosphoryl dichloro1H NMR。
The content analysis of accompanying drawing 2 is as follows：1H NMR(600Hz CDCl3)δ：7.86-7.72(m,7H,8H),7.55-7.47
(m,11H),7.45-7.30(m,9H,10H),4.80-4.66(m,2H,5H),4.152-4.109(m,4H),3.957-3.902
(m,3H),3.85-3.65(m,1H,6H)。
Fig. 3 is the compound that isobide synthesizes with diphenylphosphoryl dichloro13P NMR spectras.
The content analysis of accompanying drawing 3 is as follows：13There are three absworption peaks in P NMR spectras：δ19.75ppm、δ19.23ppm、δ
19.14ppm.The difference of chemical shift is due to that phosphorus position in main chain is different, and δ 19.75ppm belong to phosphorus atoms at main chain end
End, δ 19.23ppm and δ 19.14ppm belong to phosphorus atoms among main chain.13P NMR spectras confirm that phosphide key is in polymerization
On the main chain of thing.
Embodiment
Technique of the present invention and material are described in detail with reference to instantiation.
Embodiment 1
14.62g isobides (shown in formula (5a), purity 99.9%) and 21.23g anhydrous phosphoric acid tripotassium are encased in
Reaction with mechanical agitation, condenser pipe and constant pressure funnel wherein, adds 23.40g phenylphosphonyl dichlorides in constant pressure funnel, is added dropwise
A few drop dimethylanilines.Then at a temperature of reactor being placed in into -5 DEG C, dropwise addition phenylphosphonyl dichloride, time for adding 0.5h, and
It is stirred continuously；After being added dropwise, normal temperature is warming up to, until System forming viscous pastes, then proceedes to be warming up to 50 DEG C, reaction
Stop reaction after 4 hours, obtain yellowish solid.
200ml chloroforms, ultrasonic dissolution are added in the reactor.Precipitated, filtered with n-hexane, be redissolved precipitation filtering, weight
It is multiple 2-3 times, it is dried to constant weight in 35 DEG C of vacuum drying chambers.Analyzed with gel permeation chromatography (GPC) method, using polystyrene as mark
Quasi- thing, the weight average molecular weight (Mw) for finding the polymer are 781 or so, decentralization 1.39.
Structure is then carried out according to the FT-IR (accompanying drawing 1) of the material, 1H NMR (accompanying drawing 2), 13P NMR (accompanying drawing 3) collection of illustrative plates
Identification, the results showed that the polymer is isobide polyphosphate.
Embodiment 2
14.62g isobides (shown in formula (5a), purity 99.9%) and 10.10g triethylamine are encased in organic
The reaction of tool stirring, condenser pipe and constant pressure funnel wherein, adds 33.15g phenylphosphonyl dichlorides in constant pressure funnel, and several drops two are added dropwise
Methyl para-totuidine.Then at a temperature of reactor being placed in into -0 DEG C, dropwise addition phenylphosphonyl dichloride, time for adding 3h, and constantly
Stirring；After being added dropwise, normal temperature is warming up to, until System forming viscous pastes, then proceedes to be warming up to 90 DEG C, reaction 6 is small
When after stop reaction, obtain yellowish solid.
200ml chloroforms, ultrasonic dissolution are added in the reactor.Precipitated, filtered with n-hexane, be redissolved precipitation filtering, weight
It is multiple 2-3 times, it is dried to constant weight in 35 DEG C of vacuum drying chambers.Analyzed with gel permeation chromatography (GPC) method, using polystyrene as mark
Quasi- thing, the weight average molecular weight (Mw) for finding the polymer are 798 or so, decentralization 2.12.Entered with the method described in embodiment 1
The identification of row structure, the results showed that the polymer is isobide polyphosphate.
Embodiment 3
14.62g isobides (shown in formula (5a), purity 99.9%) and 21.23g anhydrous phosphoric acid tripotassium are encased in
Reaction with mechanical agitation, condenser pipe and constant pressure funnel wherein, adds 29.25g phenylphosphonyl dichlorides in constant pressure funnel, is added dropwise
A few drop dimethyl are to ethylbenzene amine.Then at a temperature of reactor being placed in into -3 DEG C, dropwise addition phenylphosphonyl dichloride, time for adding 2h,
And it is stirred continuously；After being added dropwise, normal temperature is warming up to, until System forming viscous pastes, then proceedes to be warming up to 100 DEG C,
Reaction stops reaction after 7 hours, obtains yellowish solid.
200ml chloroforms, ultrasonic dissolution are added in the reactor.Precipitated, filtered with n-hexane, be redissolved precipitation filtering, weight
It is multiple 2-3 times, it is dried to constant weight in 35 DEG C of vacuum drying chambers.Analyzed with gel permeation chromatography (GPC) method, using polystyrene as mark
Quasi- thing, the weight average molecular weight (Mw) for finding the polymer are 1165 or so, decentralization 2.18.With the method described in embodiment 1
Carry out the identification of structure, the results showed that the polymer is isobide polyphosphate.
Embodiment 4
By 14.62g isobides (shown in formula (5a), purity 99.9%) and 10.10g triethylamine 250mL dichloro
Methane is encased in the reaction with mechanical agitation, condenser pipe and constant pressure funnel wherein, and 29.25g phosphnilines are added in constant pressure funnel
The dichloromethane of acyl dichloro and 10mL, a few drop dimethyl-p-toluidines are added dropwise.Then at a temperature of reactor being placed in into -0 DEG C, drop
Add the mixture of phenylphosphonyl dichloride and dichloromethane, and be stirred continuously；Time for adding is 2.5h, after being added dropwise, is warming up to often
Temperature, until System forming viscous pastes, then proceed to be warming up to 90 DEG C, reaction stops reaction after 6 hours, obtains yellowish
Solid.
200ml chloroforms, ultrasonic dissolution are added in the reactor.Precipitated, filtered with n-hexane, be redissolved precipitation filtering, weight
It is multiple 2-3 times, it is dried to constant weight in 35 DEG C of vacuum drying chambers.Analyzed with gel permeation chromatography (GPC) method, using polystyrene as mark
Quasi- thing, the weight average molecular weight (Mw) for finding the polymer are 1650 or so, decentralization 1.47.With the method described in embodiment 1
Carry out the identification of structure, the results showed that the polymer is isobide polyphosphate.
Embodiment 5
Isobide polyphosphate prepared by example 3 is made to 1CM*1CM*0.2CM small pieces, put after precise 0.4g
In the centrifuge tube for entering 50Ml, 50Ml 1.2mg/g enzymes-phosphate buffer solution (Novozym435, phosphate buffer solution is added：
8gNaCl, 0.2gKCl, 2.9gNaH2PO4H2O, 0.2g NaH2PO4 are dissolved in 800ml water, then are diluted to 1L).It is placed on
In 37 DEG C of water bath with thermostatic control shaking table, an enzyme-phosphate buffer is changed within every five days.After 20 days, the Quality Down of polymer arrives
0.08g.And the molecular weight of polymer in phosphate buffer is measured, it is found that polymer by Partial digestion, can't detect molecule
Measure the polymer more than 500.The polymer has good biodegradability, medical domain to be used as medicine embedding material
Material, plays controlled-release function.
Claims (10)
1. a kind of polyphosphate compound, the compound is existed by isobide and phosphinylidyne thing or halophosphoric acid Lipase absobed, its feature
In the phosphinylidyne thing includes：Dichlor-phosphoryl, difluoro phosphinylidyne, dibromo phosphinylidyne；The halogenated phosphate includes：Either dichlorophosphate, two
Fluorophosphoric acid ester, dibromo phosphate
2. compound according to claim 1, it is characterised in that the phosphinylidyne thing is the dichloro shown in chemical structural formula 3
Phosphinylidyne, wherein R bases are less than or equal to 4 alkyl, or halogen for carbon number
3. compound according to claim 1, it is characterised in that the halogenated phosphate is shown in chemical structural formula 4
Either dichlorophosphate, wherein R bases are less than or equal to 4 alkyl, or halogen for carbon number
4. compound according to claim 1, it is characterised in that the isobide is following 5a, 5b, in 5c structural formulas
Isobide in one or more,
5. a kind of method for preparing isobide polyphosphate, the synthetic system is (I) isobide, (II) phosphinylidyne thing or halogen
Substituted phosphate, (III) accelerator, (IV) chloride absorbent, it is characterised in that do not contain solvent in synthetic system additionally.
6. according to the method for claim 5, it is characterised in that
The accelerator is：N, accelerine, N, N- dimethyl-p-toluidines, N, N- dimethyl to ethylbenzene amine, N- methyl-
N-2- ethoxy para-totuidine；
The adsorbent is：Anhydrous phosphoric acid tripotassium, anhydrous sodium phosphate, trimethylamine, triethylamine, triphenylamine；
The phosphate compound purity is more than 99.9%；
The isobide comes from bio-based, and purity content is more than 99.9%.
7. according to the method for claim 6, it is characterised in that preparation concretely comprises the following steps：
(a) (I) isobide is contacted into mixing with (IV) chloride absorbent
(b) (III) accelerator is added in the mixture of (a) step
(c) (II) phosphorous acid-based compound is injected in the mixture of (b) step, and being stirred continuously has injected its haptoreaction
Bi Hou, heating continues to react, and operating condition is：Temperature, -5-3 DEG C；And injection length is 0.5-5h；Reaction temperature after injection
Spend for 50-120 DEG C；It is 2-9h the times that reaction time, which is,.
(d) isobide polyphosphate is isolated and purified.
8. according to the method for claim 7, it is characterised in that (I) isobide and (II) phosphinylidyne thing or halogenated phosphate
Mol ratio be 1:1.2~1:1.7.
9. the material obtained by method synthesis according to claim 5-8 any claims, it is characterised in that the material
Containing structural formula 14a, and/or structure described in 14b,
Wherein, n 2-20, R base are less than or equal to 4 alkyl, or halogen for carbon number.
10. material described in any of the above-described claim is in medical field, optical field, engineering material field, paint field
Using.
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